package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;


    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息:{}", setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    /*
    分页查询
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        //构建分页构造器
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();
        //条件构造器
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name != null, Setmeal::getName, name);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(pageInfo, queryWrapper);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage, "records");
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item, setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;

        }).collect(Collectors.toList());
        //设置当前页结果集
        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    /*
    删除套餐

    @DeleteMapping()
    public R<String> delete(String[] ids) {
        LambdaQueryWrapper<Setmeal> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(Setmeal::getId,ids);
        wrapper.eq(Setmeal::getStatus, 1);
        if (!wrapper.isEmptyOfEntity()) {
            return R.error("套餐正在售卖中，不能删除");
        } else {
            for (String id : ids) {
                setmealService.removeById(id);
            }
            return R.success("删除成功");
        }
    }
 */
    /*
       批量修改状态
        */
    @PostMapping("/status/{status}")
    public R<String> updateStatus(String[] ids, @PathVariable int status) {
        for (String id : ids) {
            Setmeal setmeal = setmealService.getById(id);
            setmeal.setStatus(status);
            setmealService.updateById(setmeal);
        }
        return R.success("修改成功");
    }

    @DeleteMapping()
    public R<String> delete(@RequestParam List<Long> ids) {
        log.info("ids:{}",ids);
        setmealService.removeWithDish(ids);
        return R.success("删除成功");
    }

    /*
    根据条件查询套餐数据
     */
    @GetMapping("list")
    public R<List<Setmeal>>list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        wrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        wrapper.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(wrapper);
        return R.success(list);
    }
}